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This original "film" used a paper carrier. The first transparent plastic film was produced in 1889. Before this, glass photographic plates were used, which were far more expensive and cumbersome, although of better quality due to their size. Early film was made from flammable nitrocellulose with camphor as a plasticizer. [248] 1885 Mixer (cooking)
The following articles cover the timeline of United States inventions: Timeline of United States inventions (before 1890), before the turn of the century; Timeline of United States inventions (1890–1945), before World War II; Timeline of United States inventions (1946–1991), during the Cold War
The first crewed space flights were made in early 1961, first by Soviet cosmonaut Yuri Gagarin and then by American astronaut Alan Shepard. From those first tentative steps, to the 1969 Apollo program landing on the Moon , to the reusable Space Shuttle , the American space program has created a large display of applied science.
From the first Apple computer to the COVID-19 vaccine, here are the most revolutionary inventions that were born in the U.S.A. in the past half-century.
With the invention of the cotton gin by Eli Whitney in 1794, American slaveholders had the means to make cotton production significantly more profitable. The era of King Cotton was underway by the early 1800s to such an extent that by the mid-19th century, southern slave plantations supplied 75% of the world's cotton. The introduction of the ...
Robert H. Goddard (1882–1945), the American physicist and inventor who built and launched the world's first liquid-propellant rocket on March 16, 1926. [1] Goddard held 214 patents for his inventions and pioneering innovations in liquid-propelled, guided, and multi-stage rockets.
Blue jeans have a long history in this country. Invented in the late 1800s, America introduced jeans to the world during World War II, and now people almost everywhere wear jeans.
Many Native American contributions to our modern world often go unrecognized, according to Gaetana DeGennaro, a museum specialist at the Smithsonian National Museum of the American Indian.